Merge "[RenderEngine] Rebind output texture when unbinding framebuffer" into rvc-dev am: 5edc3fe675 (71bd868a) · Commits · e / os / platform_frameworks_native

libs/renderengine/gl/GLESRenderEngine.cpp

+26 −1

Original line number	Diff line number	Diff line
		@@ -876,6 +876,25 @@ void GLESRenderEngine::unbindFrameBuffer(Framebuffer* /* framebuffer */) {
		glBindFramebuffer(GL_FRAMEBUFFER, 0);
		}

		bool GLESRenderEngine::cleanupPostRender() {
		ATRACE_CALL();

		if (mPriorResourcesCleaned \|\|
		(mLastDrawFence != nullptr && mLastDrawFence->getStatus() != Fence::Status::Signaled)) {
		// If we don't have a prior frame needing cleanup, then don't do anything.
		return false;
		}

		// Bind the texture to dummy data so that backing image data can be freed.
		GLFramebuffer* glFramebuffer = static_cast<GLFramebuffer*>(getFramebufferForDrawing());
		glFramebuffer->allocateBuffers(1, 1, mPlaceholderDrawBuffer);
		// Release the cached fence here, so that we don't churn reallocations when
		// we could no-op repeated calls of this method instead.
		mLastDrawFence = nullptr;
		mPriorResourcesCleaned = true;
		return true;
		}

		void GLESRenderEngine::checkErrors() const {
		checkErrors(nullptr);
		}
		@@ -1161,7 +1180,13 @@ status_t GLESRenderEngine::drawLayers(const DisplaySettings& display,
		// us bad parameters, or we messed up our shader generation).
		return INVALID_OPERATION;
		}
		mLastDrawFence = nullptr;
		} else {
		// The caller takes ownership of drawFence, so we need to duplicate the
		// fd here.
		mLastDrawFence = new Fence(dup(drawFence->get()));
		}
		mPriorResourcesCleaned = false;

		checkErrors();
		return NO_ERROR;

+12 −1

Original line number	Diff line number	Diff line
		@@ -17,7 +17,6 @@
		#ifndef SF_GLESRENDERENGINE_H_
		#define SF_GLESRENDERENGINE_H_

		#include <stdint.h>
		#include <condition_variable>
		#include <deque>
		#include <mutex>
		@@ -76,6 +75,7 @@ public:
		const std::vector<const LayerSettings*>& layers,
		ANativeWindowBuffer* buffer, const bool useFramebufferCache,
		base::unique_fd&& bufferFence, base::unique_fd* drawFence) override;
		bool cleanupPostRender() override;

		EGLDisplay getEGLDisplay() const { return mEGLDisplay; }
		// Creates an output image for rendering to
		@@ -231,6 +231,17 @@ private:
		std::mutex mRenderingMutex;

		std::unique_ptr<Framebuffer> mDrawingBuffer;
		// this is a 1x1 RGB buffer, but over-allocate in case a driver wants more
		// memory or if it needs to satisfy alignment requirements. In this case:
		// assume that each channel requires 4 bytes, and add 3 additional bytes to
		// ensure that we align on a word. Allocating 16 bytes will provide a
		// guarantee that we don't clobber memory.
		uint32_t mPlaceholderDrawBuffer[4];
		sp<Fence> mLastDrawFence;
		// Store a separate boolean checking if prior resources were cleaned up, as
		// devices that don't support native sync fences can't rely on a last draw
		// fence that doesn't exist.
		bool mPriorResourcesCleaned = true;

		// Blur effect processor, only instantiated when a layer requests it.
		BlurFilter* mBlurFilter = nullptr;

+2 −2

Original line number	Diff line number	Diff line
		@@ -68,11 +68,11 @@ bool GLFramebuffer::setNativeWindowBuffer(ANativeWindowBuffer* nativeBuffer, boo
		return true;
		}

		void GLFramebuffer::allocateBuffers(uint32_t width, uint32_t height) {
		void GLFramebuffer::allocateBuffers(uint32_t width, uint32_t height, void* data) {
		ATRACE_CALL();

		glBindTexture(GL_TEXTURE_2D, mTextureName);
		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, nullptr);
		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, data);
		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT);

+1 −1

Original line number	Diff line number	Diff line
		@@ -39,7 +39,7 @@ public:

		bool setNativeWindowBuffer(ANativeWindowBuffer* nativeBuffer, bool isProtected,
		const bool useFramebufferCache) override;
		void allocateBuffers(uint32_t width, uint32_t height);
		void allocateBuffers(uint32_t width, uint32_t height, void* data = nullptr);
		EGLImageKHR getEGLImage() const { return mEGLImage; }
		uint32_t getTextureName() const { return mTextureName; }
		uint32_t getFramebufferName() const { return mFramebufferName; }

+8 −0

Original line number	Diff line number	Diff line
		@@ -111,6 +111,14 @@ public:
		// Returns NO_ERROR when binds successfully, NO_MEMORY when there's no memory for allocation.
		virtual status_t bindFrameBuffer(Framebuffer* framebuffer) = 0;
		virtual void unbindFrameBuffer(Framebuffer* framebuffer) = 0;
		// Clean-up method that should be called on the main thread after the
		// drawFence returned by drawLayers fires. This method will free up
		// resources used by the most recently drawn frame. If the frame is still
		// being drawn, then this call is silently ignored.
		//
		// Returns true if resources were cleaned up, and false if we didn't need to
		// do any work.
		virtual bool cleanupPostRender() = 0;

		// queries
		virtual size_t getMaxTextureSize() const = 0;